Nieborzyn

Nieborzyn may refer to the following places:
 * Nieborzyn, Greater Poland Voivodeship (west-central Poland)
 * Nieborzyn, Ciechanów County in Masovian Voivodeship (east-central Poland)
 * Nieborzyn, Płońsk County in Masovian Voivodeship (east-central Poland)